HP CS03XL High-Quality Replacement Laptop Battery (11.4V / 46Wh)
The HP CS03XL replacement laptop battery provides a highly dependable, premium power storage backup to ensure seamless performance for your high-end enterprise notebooks and slim corporate workstation laptops. Moreover, its optimized 46Wh capacity and stable 11.4V internal matrix layout deliver consistent voltage deployment to keep your device running smoothly during intensive workplace multitasking, financial forecasting, or daily studying. Consequently, this high-density lithium-ion rechargeable 3-cell pack serves as an affordable, cost-effective alternative to instantly restore your laptop off-grid mobility profile. Therefore, you can safely continue your everyday computational tasks immediately after a simple plug-and-play setup without experiencing sudden system power failures. Furthermore, advanced protective circuits are natively integrated to safeguard your system against hazardous short-circuits and overcharge risks.
■ Technical Specifications
| Battery Model Designation | HP CS03XL Replacement Battery |
| Cell Quality Class | Premium Grade-A Replacement Cells |
| Cell Architecture | Lithium-ion (Li-ion) | 3-Cells Smart Matrix Layout |
| Voltage Profile | 11.4 Volts DC |
| Total Capacity Volume | 46 Wh (~4000 mAh) |
| Safety Architecture | Class-A Protection Shield (Overcharge, Over-discharge, Overvoltage & Overheating Safeguards) |
| Replacement Warranty | 3-Month Quality Guarantee Protection |
■ Confirmed Laptop Compatibility List
- • HP EliteBook 745 G3 / 745 G4 Series
- • HP EliteBook 755 G3 / 755 G4 Series
- • HP EliteBook 840 G3 / 840 G4 Series
- • HP EliteBook 850 G3 / 850 G4 Series
- • HP ZBook 15u G3 / 15u G4 Mobile Workstation
- • Part Numbers: CS03 / CS03XL / T7B32AA
- • Factory Codes: 800231-141 / 800513-001 / 3ICP6/65/79
- • Compatible Chassis Codes: HSTNN-I33C-4 / HSTNN-I33C-5
- • Alternate Designations: HSTNN-I41C-4 / HSTNN-I41C-5
- • System Board Codes: HSTNN-IB6Y / HSTNN-UB6S
Important Care Tip: To safeguard your brand new replacement battery lifecycle, remember to avoid letting the system power level drain completely to a 0% limit before initiating a safe charge cycle.

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